Nielsen Hayden genealogy
Descendants of Mechtilde von Schwarzburg-Käfernburg
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Father: Sizzo
(Abt 1093 - 1160)
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Mechtilde von Schwarzburg-Käfernburg ( - Between 1191 and 1192)
           │
Abel, King of Denmark
(1218 - 29 Jun 1252)(m. 25 Apr 1237)
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           │    └─ Sophie Abelsdatter of Denmark & S¢nderjylland
(Abt 1240 - Aft 1284)
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           │    
Bernhard I of Anhalt
(Abt 1220 - Between 1286 and 1287)
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           │        ├─ Bernhard II of Anhalt
( - Aft 26 Dec 1323)
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           │        │
Helene of Rügen
( - 9 Aug 1315 bur.Wiederstedt Cloister, Saxony-Anhalt, Germany)
           │        │ (m. Bef 27 Dec 1302)
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           │        │ (m. Bef 27 Dec 1302)
           │        │    └─ Bernhard III of Anhalt
( - 20 Aug 1348)
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           │        │    
Mathilde of Anhalt
( - Abt 1342)(m. Abt 1339)
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           │        │        └─ Katharina of Anhalt
( - 30 Jan 1390) =>
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           │        │         + Magnus II of Brunswick
(Abt 1328 -
           │        │         25 Jul 1373 Leveste, Lower Saxony, Germany)(m. Bef 6 Oct 1356)
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           │        │         25 Jul 1373 Leveste, Lower Saxony, Germany)(m. Bef 6 Oct 1356)
           │        └─ Sophie of Anhalt
( - Aft 20 May 1322)
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           │        
Dietrich II of Honstein
( - Between 28 May 1309 and 11 Aug 1309)(m. Bef 28 Nov 1282)
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           │            └─ Dietrich III of Honstein
( - Between 29 Sep 1329 and 4 May 1330)
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           │            
Elizabeth of Waldeck
( - Aft 1370)
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           │                └─ Dietrich IV of Honstein
( - Between 1378 and 1379) =>
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           │                 + Sophie of Brunswick
( - 1394)(m. Aft 1350)
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Elizabeth von Mecklenburg
( - Bef 6 Feb 1280)(m. Abt 1250)
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               ├─ Gerhard II of Holstein
(Bef 1 Nov 1253 -
               │ 25 Oct 1312 bur.Hamburg Cathedral, Hamburg, Germany)
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               │ 25 Oct 1312 bur.Hamburg Cathedral, Hamburg, Germany)
               │
Ingeborg of Sweden
( - Bef 1293)(m. 12 Dec 1275 Lödöse, Sweden)
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               │    └─ Gerard IV of Holstein
( - 1317)
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               │    
Anastasia of Schwerin-Wittenburg
( - Aft 7 Jun 1314)
               │     (m. Between 30 Jul 1313 and 21 Oct 1313)
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               │     (m. Between 30 Jul 1313 and 21 Oct 1313)
               │        └─ Ingeborg of Holstein
(Between 1314 and 1317 - Aft 1342)
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               │        
Konrad I of Oldenburg
( - Bef 9 Feb 1348)(m. Bef 13 May 1339)
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               │            └─ Christian V of Oldenburg
( - Between 10 Nov 1399 and 22 Apr 1403) =>
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               │             + Agnes of Honstein
(Abt 1360 - 1 Sep 1407)(m. Bef 29 Aug 1377)
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               └─ Heinrich I of Holstein
(Between 1255 and 1260 -
                5 Aug 1304 bur.Itzehoe, Schleswig-Holstein, Germany)
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                5 Aug 1304 bur.Itzehoe, Schleswig-Holstein, Germany)
               
Heilwig von Bronkhorst
( - Bef 1331)(m. 1289)
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                   └─ Gerhard III of Holstein
(Abt 1293 - 1 Apr 1340 Sankt Mortens, Randers, Denmark)
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Sophia of Werle
( - Aft 6 Dec 1339)(m. Abt 1314)
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                       └─ Heinrich II of Holstein
(Between 1316 and 1318 - Bef 17 Apr 1390)
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Ingeburg of Mecklenburg
( - Aft 25 Jul 1395)(m. Abt 1366)
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                           └─ Gerhard V of Holstein
(Abt 1367 - 5 Aug 1404 Suderhamme, Dithmarschen) =>
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                            + Elisabeth of Brunswick-Lüneburg
(Abt 1370 - Bef 3 Apr 1422)(m. 1395)
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